Halfdan Margrave of Frisia
Halfdan Margrave of was born in 0762.  He died at the age of 68 in 0830.

 Rurik (or Hrorekr) Grand Duke of Novogorod
Rurik (or Hrorekr) Grand Duke of was born about 0845 in .,Novgorod,Novgorod,Soviet Union.  He died in 0879.